As per Relevance of the word datagram, we have this rfc below:
Network Working Group J.
Request for Comments: 867
May 1983
Daytime
This RFC specifies a standard for the ARPA Internet community. Hosts
the ARPA Internet that choose to implement a Daytime Protocol
expected to adopt and implement this standard
A useful debugging and measurement tool is a daytime service. A
service simply sends a the current date and time as a character
without regard to the input
TCP Based Daytime
One daytime service is defined as a connection based application
TCP. A server listens for TCP connections on TCP port 13. Once
connection is established the current date and time is sent out
connection as a ascii character string (and any data received
thrown away). The service closes the connection after sending
quote
UDP Based Daytime
Another daytime service service is defined as a datagram
application on UDP. A server listens for UDP datagrams on UDP
13. When a datagram is received, an answering datagram is
containing the current date and time as a ASCII character string (
data in the received datagram is ignored).
Daytime
There is no specific syntax for the daytime. It is recommended
it be limited to the ASCII printing characters, space,
return, and line feed. The daytime should be just one line
One popular syntax is
Weekday, Month Day, Year Time-
Example
Tuesday, February 22, 1982 17:37:43-
Postel [Page 1]
RFC 867 May 1983
Daytime Protocol
Another popular syntax is that used in SMTP
dd mmm yy hh:mm:ss
Example
02 FEB 82 07:59:01
NOTE: For machine useful time use the Time Protocol (RFC-868).
Postel [Page 2]
if you see any problems within the linking, don't worry be happy,
this is version 0.1 of the Relevance System and you gotta expect some crappy subroutines sometimes,
just be content we did not write this in Java, which would have made this "bigger and better" HAHAHHA.
RFC documents can be found at I.E.T.F.
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